Year	Tonnes of Oil Equivalent
1971	0.00407
1972	0.00402
1973	0.00389
1974	0.00393
1975	0.00405
1976	0.00413
1977	0.00428
1978	0.00413
1979	0.00423
1980	0.00402
1981	0.00402
1982	0.00407
1983	0.00412
1984	0.00419
1985	0.00414
1986	0.00423
1987	0.00434
1988	0.00428
1989	0.00412
1990	0.00397
1991	0.00374
1992	0.00351
1993	0.00346
1994	0.00322
1995	0.00314
1996	0.00321
1997	0.00325
1998	0.00306
1999	0.0028
2000	0.00299
2001	0.00307
2002	0.00308
2003	0.00329
2004	0.00339
2005	0.00322
2006	0.00327
2007	0.00327
2008	0.00316
2009	0.00299
2010	0.003